[Mailman-Users] Delivery failure from mailing list

[Amit Bhatt]

All the subscribers of my mailing list are unable to post the messages  and getting the below error in return:
The service provider is not being able to get the solution, any advise from anyone?

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  pipe to |/usr/local/cpanel/3rdparty/mailman/mail/mailman post sayeverything_sayeverything.org
    generated by sayeverything at sayeverything.org
    local delivery failed

The following text was generated during the delivery attempt:

------ pipe to |/usr/local/cpanel/3rdparty/mailman/mail/mailman post sayeverything_sayeverything.org
       generated by sayeverything at sayeverything.org ------

Could not exec '/usr/local/cpanel/3rdparty/mailman/mail/mailman'

------ This is a copy of the message, including all the headers. ------

Return-path: <misterbhatt at gmail.com>
Received: from mail-pb0-f49.google.com ([209.85.160.49]:49085)
by hwa3.ultrahost.us with esmtps (TLSv1:RC4-SHA:128)
(Exim 4.82)
(envelope-from <misterbhatt at gmail.com>)
id 1WbYOq-0007Qr-8m
for sayeverything at sayeverything.org; Sat, 19 Apr 2014 09:45:58 -0700
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        for <sayeverything at sayeverything.org>; Sat, 19 Apr 2014 09:45:57 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
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        h=message-id:from:to:subject:date:mime-version:content-type;
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         kKiNDnm7anjIPT/uUUPvFGQ96UJN5DEZhrrSDHF5ncfR0ec/RqK7Maq8v1Cp1bYXnulr
         VQh5IK6oKjdpYibWymoqW1iD/VG1QGj3W5Z6mrUKyJCjLu9FnW5wxOtBQAupT4iWmlpY
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X-Received: by 10.66.148.70 with SMTP id tq6mr28629871pab.56.1397925957183;
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Received: from adminPC ([115.242.99.242])
        by mx.google.com with ESMTPSA id oa3sm67153389pbb.15.2014.04.19.09.45.53
        for <sayeverything at sayeverything.org>
        (version=TLSv1 cipher=ECDHE-RSA-AES128-SHA bits=128/128);
        Sat, 19 Apr 2014 09:45:55 -0700 (PDT)
Message-ID: <9BDE5953C3834B7B8C104C8CEEC7EDBF at adminPC>
From: "Amit Bhatt" <misterbhatt at gmail.com>
To: <sayeverything at sayeverything.org>
Subject: Test
Date: Sat, 19 Apr 2014 22:16:08 +0530
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0005_01CF5C1C.F68D0370"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Windows Mail 6.0.6001.18000
X-MimeOLE: Produced By Microsoft MimeOLE V6.1.7601.17609
X-Spam-Status: No, score=-0.8
X-Spam-Score: -7
X-Spam-Bar: /
X-Ham-Report: Spam detection software, running on the system "hwa3.ultrahost.us", has
 identified this incoming email as possible spam.  The original message
 has been attached to this so you can view it (if it isn't spam) or label
 similar future email.  If you have any questions, see
 root\@localhost for details.
 
 Content preview:  [...] 
 
 Content analysis details:   (-0.8 points, 5.0 required)
 
  pts rule name              description
 ---- ---------------------- --------------------------------------------------
  0.0 FREEMAIL_FROM          Sender email is commonly abused enduser mail provider
                             (misterbhatt[at]gmail.com)
  0.0 HTML_MESSAGE           BODY: HTML included in message
 -0.1 DKIM_VALID_AU          Message has a valid DKIM or DK signature from author's
                             domain
  0.1 DKIM_SIGNED            Message has a DKIM or DK signature, not necessarily valid
 -0.1 DKIM_VALID             Message has at least one valid DKIM or DK signature
 -0.7 RCVD_IN_DNSWL_LOW      RBL: Sender listed at http://www.dnswl.org/, low
                             trust
                             [209.85.160.49 listed in list.dnswl.org]
X-Spam-Flag: NO

This is a multi-part message in MIME format.

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charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

    
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Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 10.00.9200.16635">
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT size=3D2 face=3DArial>    =
</FONT></DIV></BODY></HTML>

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